Boat launch located on Rimrock Peninsula, north shore of lake just above the dam.
From Naches, WA take US-12 W for about 22 miles. Then turn left onto Forest Road 1200/Tieton Reservoir Road. Follow the 1200 road for 2.9 miles to the peninsula turnoff, Forest Road 711. Follow the 711 road for about 1.5 miles. Then turn on Forest Road 713.